[Bug 241710] please increase ARG_MAX

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241710

--- Comment #9 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Pedro F. Giffuni from comment #8)
Could you, please, read some code instead of commit messages, before coming
with conclusions ?

The sizing of exec_map is scaled with number of cpus.  It is already pared down
on ILP32 due to KVA exhaustion issues.  Even if we assume that the bump is from
4M to 8M (which is not), it is already quite sensitive for low-KVA machines.

On my low-end (8 threads but amd64) desktop machine, I have ~17M reserved for
the submap.

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